Provider Profile
No biography has been added yet. Is this you? Claim this profile to add one.
Source: NPPES NPI Registry
9045 HAVEN AVE UNIT 110
Rancho Cucamonga, CA 91730
Frieda M. Apostol is a marriage and family therapist in Rancho Cucamonga, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Frieda M. Apostol is listed at 9045 Haven Ave Unit 110, Rancho Cucamonga, CA 91730. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 293-9507. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Frieda M. Apostol's National Provider Identifier is 1639984313. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Frieda M. Apostol has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Frieda M. Apostol. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.